﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using MyLib.MyNamespace;
//名称空间
//类的声明位置
//1.在名称空间里
//2.名称空间之外(全局名称空间)
//3.声明在类体里面(成员类)
namespace _024_类的全貌声明
{
    //1
    internal class Program
    {
        static void Main(string[] args)
        {
            //Calculator calculator = new Calculator();
            //double result = calculator.Add(1.2,2.3);
            //Console.WriteLine(result);
        }

        class Student { }
    }
}

//2.
class Teacher
{


}

namespace HelloStu
{
    class Student { }
}
